STEVAL-ISA035V1 STMicroelectronics, STEVAL-ISA035V1 Datasheet - Page 14

• Manufacturer Part Number: STEVAL-ISA035V1
• Description: BOARD EVAL BASED ON VIPER22A
• Manufacturer: STMicroelectronics
• Series: VIPER™r
• Type: Other Power Managementr

Specifications of STEVAL-ISA035V1

• Mfg Application Notes: VIPer12/22A-E AppNote
• Main Purpose: AC/DC, Non-Isolated
• Outputs And Type: 1, Non-Isolated
• Power - Output: 4.2W
• Voltage - Output: 12V
• Current - Output: 350mA
• Voltage - Input: 85 ~ 264VAC
• Regulator Topology: Buck
• Frequency - Switching: 60kHz
• Board Type: Fully Populated
• Utilized Ic / Part: VIPer22A
• Input Voltage: 85 V to 264 V
• Output Voltage: 12 V
• Product: Power Management Modules
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• For Use With/related Products: VIPER22A-E
• Other names: 497-8215

Circuit operation
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Table 6.
12 V output load regulation for VIPer12-E and VIPer22A-E is shown in
Figure 12. Load regulations for 12 V output
Line regulation shown at three different current levels: 100 mA, 200 mA, and 350 mA.
Figure 13. Line regulation
Short circuit
Ripple
Vin
VIPer12ADIP-E, 12 V at 200 mA (continued)
Blue Angel at no-load at 115 V
12.8
12.6
12.4
12.2
11.8
11.6
11.4
11.2
13
12
11
17
16
15
14
13
12
11
10
80
0
mv pp at 120 V
0.05
VIPer12 buck 12 V / 200 mA #1
12 V load
Vout @ 100ma
Load regulation for 12V output
130
0.1
Line regulation
ac
V12 @12V
ac
in W
0.15
Line Voltage
Vout @ 200ma
Load
180
V22 @ 12V
12 V
0.2
ok
0.25
Vout @ 350ma
230
0.3
W in
0.15
50
0.35
Figure
12.
Efficiency
AN2544